Comment 2 for bug 1477248

We are going to change the object model in fuel-devops. Libvirt driver refactored [1] to match the specification requirements [2]. Please take it into account.

[1] - https://review.openstack.org/#/c/242455/
[2] - https://github.com/openstack/fuel-specs/blob/master/specs/8.0/template-based-virtual-devops-environments.rst